Home / 11,256.20-15,533.55-6,288.20

Finding the Fourth Proportional to 11,256.20, 15,533.55 and 6,288.20

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Solution

The fourth proportional to 11,256.20, 15,533.55 and 6,288.20 is: 8,677.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,256.20 : 15,533.55 = 6,288.20 : x
  2. Step 2: Convert to fraction form
    11,256.20/15,533.55 = 6,288.20/x
  3. Step 3: Cross multiply
    11,256.20x = 15,533.55 × 6,288.20
  4. Step 4: Simplify right side
    11,256.20x = 97,677,991.44
  5. Step 5: Solve for x
    x = 97,677,991.44/11,256.20
  6. Step 6: Final answer
    x = 8,677.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.